a person gone totally nuts wilin out, knockin over shit no regard for anything, or an individual with a a constant misconception of real life; more or less unaware of his/her surroundings.
"yo Juan was this big ass spanish dude that would just lose it, that banana nigga trashed my car like 3 times. You know he really can't understand what he was doing." -Shaquile
by A_A March 11, 2007
When a nigga gets tired of beating his meat so he gets the oldest banana from the basket and eats it to regain his strength.
by That banana April 15, 2019
John: Hey Jamal, I think that banana has gone really bad
Jamal: Oh you mean that nigga banana over there?
Jamal: Oh you mean that nigga banana over there?
by Nigga Banana Creator March 22, 2019